Magnetic signs are an incredibly handy advertising tool, especially for the business owner or sales person that uses their automobile for both business and pleasure, as the signs can be quickly ...

Animal magnetism One of the first concrete signs that animals can tap into the magnetic field was observed, as in many a great discovery in science, by chance. It was the fall of 1957, and Hans ...

If you need help visualizing magnetic fields, these slow-motion video captures ... this is your only warning. The technique and equipment are simple and shown in the video. A layer of black ...